[squirrelmail.git] / functions / imap_general.php

<?php

/**
 * imap.php
 *
 * Copyright (c) 1999-2002 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * This implements all functions that do general imap functions.
 *
 * $Id$
 */

require_once('../functions/page_header.php');
require_once('../functions/display_messages.php');

/**
 * Unique SessionId
 *
 * Sets an unique session id in order to avoid simultanous sessions crash.
 *
 * @return	string	a 4 chars unique string
 */
function sqimap_session_id() {

    global $data_dir, $username;

    $IMAPSessionID = substr(session_id(), -4);
    if( $IMAPSessionID == '' ) {
        $IMAPSessionID = 'A001';
    }

    return( $IMAPSessionID );
}


/******************************************************************************
**  Reads the output from the IMAP stream.  If handle_errors is set to true,
**  this will also handle all errors that are received.  If it is not set,
**  the errors will be sent back through $response and $message
******************************************************************************/

function sqimap_read_data_list ($imap_stream, $pre, $handle_errors,
                               &$response, &$message) {
    global $color, $squirrelmail_language;
    
    $read = '';
    $resultlist = array();
    
    $more_msgs = true;
    while ($more_msgs) {
        $data = array();
        $total_size = 0;
        while (strpos($read, "\n") === false) {
            $read .= fgets($imap_stream, 9096);
        }
        
        if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
           $size = $regs[1];
        } else if (ereg("^\\* [0-9]+ FETCH", $read, $regs)) {
            // Sizeless response, probably single-line
            $size = -1;
            $data[] = $read;
            $read = fgets($imap_stream, 9096);
        } else {
            $size = -1;
        }
        while (1) {
            while (strpos($read, "\n") === false) {
                $read .= fgets($imap_stream, 9096);
            }
            // If we know the size, no need to look at the end parameters
            if ($size > 0) {
                if ($total_size == $size) {
                    // We've reached the end of this 'message', switch to the next one.
                    $data[] = $read;
                    break;
                } else if ($total_size > $size) {
                    $difference = $total_size - $size;
                    $total_size = $total_size - strlen($read);
                    $data[] = substr ($read, 0, strlen($read)-$difference);
                    $read = substr ($read, strlen($read)-$difference, strlen($read));
                    break;
                } else {
                    $data[] = $read;
                    $read = fgets($imap_stream, 9096);
                    while (strpos($read, "\n") === false) {
                      $read .= fgets($imap_stream, 9096);
                    }
                }
                $total_size += strlen($read);
            } else {
                if (ereg("^$pre (OK|BAD|NO)(.*)", $read, $regs) ||
                   (($size == -1) && ereg("^\\* [0-9]+ FETCH.*", $read, $regs))) {
                    break;
                } else {
                    $data[] = $read;
                    $read = fgets ($imap_stream, 9096);
                }
            }
        }
        
        while (($more_msgs = !ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) &&
            !ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
            $read = fgets($imap_stream, 9096);
        }
        $resultlist[] = $data;
    }
    $response = $regs[1];
    $message = trim($regs[2]);
    
    if ($handle_errors == false) { return $resultlist; }
    
    if ($response == 'NO') {
        // ignore this error from m$ exchange, it is not fatal (aka bug)
        if (strstr($message, 'command resulted in') === false) {
            set_up_language($squirrelmail_language);
            echo "<br><b><font color=$color[2]>\n" .
                 _("ERROR : Could not complete request.") .
                 "</b><br>\n" .
                 _("Reason Given: ") .
                 $message . "</font><br>\n";
            exit;
        }
    } else if ($response == 'BAD') {
        set_up_language($squirrelmail_language);
        echo "<br><b><font color=$color[2]>\n" .
             _("ERROR : Bad or malformed request.") .
             "</b><br>\n" .
             _("Server responded: ") .
             $message . "</font><br>\n";
        exit;
    }
    return $resultlist;
}

function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {

    $res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message);
    return $res[0];
    
}

/******************************************************************************
**  Logs the user into the imap server.  If $hide is set, no error messages
**  will be displayed.  This function returns the imap connection handle.
******************************************************************************/
function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {

    global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
    
    $imap_stream = fsockopen ( $imap_server_address, $imap_port,
                             $error_number, $error_string, 15);
    if ( !$imap_stream ) {
        return FALSE;
    }
    $server_info = fgets ($imap_stream, 1024);
    
    // Decrypt the password
    $password = OneTimePadDecrypt($password, $onetimepad);
    
    /** Do some error correction **/
    if (!$imap_stream) {
        if (!$hide) {
            set_up_language($squirrelmail_language, true);
            printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
            echo "$error_number : $error_string<br>\r\n";
        }
        exit;
    }

    fputs ($imap_stream, sqimap_session_id() . ' LOGIN "' . quoteIMAP($username) .
           '" "' . quoteIMAP($password) . "\"\r\n");
    $read = sqimap_read_data ($imap_stream, sqimap_session_id(), false, $response, $message);

    /** If the connection was not successful, lets see why **/
    if ($response != 'OK') {
        if (!$hide) {
            if ($response != 'NO') {
                // "BAD" and anything else gets reported here.
                set_up_language($squirrelmail_language, true);
                if ($response == 'BAD') {
                   printf (_("Bad request: %s")."<br>\r\n", $message);
                } else {
                   printf (_("Unknown error: %s") . "<br>\n", $message);
                }
                echo '<br>' . _("Read data:") . "<br>\n";
                if (is_array($read)) {
                    foreach ($read as $line) {
                        echo htmlspecialchars($line) . "<br>\n";
                    }
                }
                exit;
            } else {
                // If the user does not log in with the correct
                // username and password it is not possible to get the
                // correct locale from the user's preferences.
                // Therefore, apply the same hack as on the login
                // screen.
                
                // $squirrelmail_language is set by a cookie when
                // the user selects language and logs out
                
                set_up_language($squirrelmail_language, true);
                
                displayHtmlHeader( _("Unknown user or password incorrect.") );
                echo "<body bgcolor=\"#ffffff\">\n";
                error_username_password_incorrect();
                session_destroy();
                exit;
            }
        } else {
            exit;
        }
    }
    
    return $imap_stream;
}

/*
 *  Simply logs out the imap session
 */
function sqimap_logout ($imap_stream) {
    fputs ($imap_stream, sqimap_session_id() . " LOGOUT\r\n");
}

function sqimap_capability($imap_stream, $capability) {
    global $sqimap_capabilities;
    
    if (!is_array($sqimap_capabilities)) {
        fputs ($imap_stream, sqimap_session_id() . " CAPABILITY\r\n");
        $read = sqimap_read_data($imap_stream, sqimap_session_id(), true, $a, $b);
    
        $c = explode(' ', $read[0]);
        for ($i=2; $i < count($c); $i++) {
            $cap_list = explode('=', $c[$i]);
            if (isset($cap_list[1]))
                $sqimap_capabilities[$cap_list[0]] = $cap_list[1];
            else
                $sqimap_capabilities[$cap_list[0]] = TRUE;
        }
    }
    if (! isset($sqimap_capabilities[$capability])) {
        return false;
    } else {
        return $sqimap_capabilities[$capability];
    }
}

/******************************************************************************
**  Returns the delimeter between mailboxes:  INBOX/Test, or INBOX.Test...
******************************************************************************/
function sqimap_get_delimiter ($imap_stream = false) {

    global $sqimap_delimiter;
    global $optional_delimiter;
    
    /* Use configured delimiter if set */
    if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') {
        return $optional_delimiter;
    }
    
    /* Do some caching here */
    if (!$sqimap_delimiter) {
        if (sqimap_capability($imap_stream, 'NAMESPACE')) {
            /* According to something that I can't find, this is supposed to work on all systems
            OS: This won't work in Courier IMAP.
            OS:  According to rfc2342 response from NAMESPACE command is:
            OS:  * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
            OS:  We want to lookup all personal NAMESPACES...
            */
            fputs ($imap_stream, sqimap_session_id() . " NAMESPACE\r\n");
            $read = sqimap_read_data($imap_stream, sqimap_session_id(), true, $a, $b);
            if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) {
                if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) {
                    $pn = $data2[1];
                }
                $pna = explode(')(', $pn);
                while (list($k, $v) = each($pna)) {
                    $lst = explode('"', $v);
                    if (isset($lst[3])) {
                        $pn[$lst[1]] = $lst[3];
                    } else {
                        $pn[$lst[1]] = '';
                    }
                }
            }
            $sqimap_delimiter = $pn[0];
        } else {
            fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
            $read = sqimap_read_data($imap_stream, '.', true, $a, $b);
            $quote_position = strpos ($read[0], '"');
            $sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
        }
    }
    return $sqimap_delimiter;
}


/*
 *  Gets the number of messages in the current mailbox.
 */
function sqimap_get_num_messages ($imap_stream, $mailbox) {

    fputs ($imap_stream, sqimap_session_id() . " EXAMINE \"$mailbox\"\r\n");
    $read_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $result, $message);
    for ($i = 0; $i < count($read_ary); $i++) {
     if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
        return $regs[1];
     }
    }
    return sprintf( "BUG!  Couldn't get number of messages in %s!", $mailbox );
    
}


/*
*  Returns a displayable email address
*/
function sqimap_find_email ($string) {
    /** Luke Ehresman <lehresma@css.tayloru.edu>
    ** <lehresma@css.tayloru.edu>
    ** lehresma@css.tayloru.edu
    **
    ** What about
    **    lehresma@css.tayloru.edu (Luke Ehresman)
    **/
    
    if (ereg("<([^>]+)>", $string, $regs)) {
        $string = $regs[1];
    }
    return trim($string);
}


/*
 *  Takes the From: field, and creates a displayable name.
 *    Luke Ehresman   <lkehresman@yahoo.com>
 *    "Luke Ehresman" <lkehresman@yahoo.com>
 *    lkehresman@yahoo.com (Luke Ehresman)
 *           become:   Luke Ehresman
 *    <lkehresman@yahoo.com>
 *           becomes:   lkehresman@yahoo.com
 */
function sqimap_find_displayable_name ($string) {
    $string = trim($string);
    
    if ( ereg('^(.+)<.*>', $string, $regs) ) {
        $string = ereg_replace ('"', '', $regs[1] );
    }
    elseif ( ereg('\((.*)\)', $string, $regs) ) {
        if( ( $regs[1] == '' ) || ( $regs[1] == ' ' ) ){
            if ( ereg('^(.+) \(', $string, $regs) ) {
               $string = ereg_replace( ' \(\)$', '', $string );
            } else {
               $string = '&nbsp';
            }
        } else {
            $string = $regs[1];
        }
    }
    else {
        $string = sqimap_find_email($string);
    }

    return trim($string);
}
    
/*
*  Returns the number of unseen messages in this folder
*/
function sqimap_unseen_messages ($imap_stream, $mailbox) {
    //fputs ($imap_stream, sqimap_session_id() . " SEARCH UNSEEN NOT DELETED\r\n");
    fputs ($imap_stream, sqimap_session_id() . " STATUS \"$mailbox\" (UNSEEN)\r\n");
    $read_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $result, $message);
    ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
    return $regs[1];
}


/*
*  Saves a message to a given folder -- used for saving sent messages
*/
function sqimap_append ($imap_stream, $sent_folder, $length) {
    fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
    $tmp = fgets ($imap_stream, 1024);
}

function sqimap_append_done ($imap_stream) {
    fputs ($imap_stream, "\r\n");
    $tmp = fgets ($imap_stream, 1024);
}
   
?>
Commit	Line	Data
59177427	1	<?php
bccadd02	2
35586184	3	/**
15e6162e	4	* imap.php
35586184	5	*
15e6162e	6	* Copyright (c) 1999-2002 The SquirrelMail Project Team
15e6162e	7	* Licensed under the GNU GPL. For full terms see the file COPYING.
35586184	8	*
15e6162e	9	* This implements all functions that do general imap functions.
35586184	10	*
15e6162e	11	* $Id$
35586184	12	*/
35586184	13
9c737111	14	require_once('../functions/page_header.php');
9c737111	15	require_once('../functions/display_messages.php');
35586184	16
	17	/**
	18	* Unique SessionId
	19	*
	20	* Sets an unique session id in order to avoid simultanous sessions crash.
	21	*
	22	* @return string a 4 chars unique string
	23	*/
	24	function sqimap_session_id() {
7350889b	25
9c737111	26	global $data_dir, $username;
71257f8b	27
9c737111	28	$IMAPSessionID = substr(session_id(), -4);
	29	if( $IMAPSessionID == '' ) {
	30	$IMAPSessionID = 'A001';
	31	}
7350889b	32
9c737111	33	return( $IMAPSessionID );
	34	}
	35
	36
	37	/******************************************************************************
	38	** Reads the output from the IMAP stream. If handle_errors is set to true,
	39	** this will also handle all errors that are received. If it is not set,
	40	** the errors will be sent back through $response and $message
	41	******************************************************************************/
	42
	43	function sqimap_read_data_list ($imap_stream, $pre, $handle_errors,
	44	&$response, &$message) {
	45	global $color, $squirrelmail_language;
	46
	47	$read = '';
	48	$resultlist = array();
	49
	50	$more_msgs = true;
	51	while ($more_msgs) {
	52	$data = array();
	53	$total_size = 0;
	54	while (strpos($read, "\n") === false) {
d9ca5b40	55	$read .= fgets($imap_stream, 9096);
9c737111	56	}
	57
	58	if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
	59	$size = $regs[1];
	60	} else if (ereg("^\\* [0-9]+ FETCH", $read, $regs)) {
91f68e94	61	// Sizeless response, probably single-line
55412053	62	$size = -1;
91f68e94	63	$data[] = $read;
91f68e94	64	$read = fgets($imap_stream, 9096);
9c737111	65	} else {
55412053	66	$size = -1;
9c737111	67	}
9c737111	68	while (1) {
91f68e94	69	while (strpos($read, "\n") === false) {
9c737111	70	$read .= fgets($imap_stream, 9096);
91f68e94	71	}
91f68e94	72	// If we know the size, no need to look at the end parameters
91f68e94	73	if ($size > 0) {
9c737111	74	if ($total_size == $size) {
	75	// We've reached the end of this 'message', switch to the next one.
	76	$data[] = $read;
	77	break;
	78	} else if ($total_size > $size) {
	79	$difference = $total_size - $size;
	80	$total_size = $total_size - strlen($read);
	81	$data[] = substr ($read, 0, strlen($read)-$difference);
	82	$read = substr ($read, strlen($read)-$difference, strlen($read));
	83	break;
	84	} else {
	85	$data[] = $read;
	86	$read = fgets($imap_stream, 9096);
	87	while (strpos($read, "\n") === false) {
f1e6f580	88	$read .= fgets($imap_stream, 9096);
9c737111	89	}
	90	}
	91	$total_size += strlen($read);
4f5c1bcb	92	} else {
9c737111	93	if (ereg("^$pre (OK\|BAD\|NO)(.*)", $read, $regs) \|\|
55412053	94	(($size == -1) && ereg("^\\* [0-9]+ FETCH.*", $read, $regs))) {
9c737111	95	break;
	96	} else {
	97	$data[] = $read;
	98	$read = fgets ($imap_stream, 9096);
	99	}
4f5c1bcb	100	}
9c737111	101	}
	102
	103	while (($more_msgs = !ereg("^$pre (OK\|BAD\|NO)(.*)$", $read, $regs)) &&
	104	!ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
91f68e94	105	$read = fgets($imap_stream, 9096);
9c737111	106	}
	107	$resultlist[] = $data;
	108	}
	109	$response = $regs[1];
	110	$message = trim($regs[2]);
	111
	112	if ($handle_errors == false) { return $resultlist; }
	113
	114	if ($response == 'NO') {
	115	// ignore this error from m$ exchange, it is not fatal (aka bug)
	116	if (strstr($message, 'command resulted in') === false) {
441f2d33	117	set_up_language($squirrelmail_language);
9c737111	118	echo "<br><b><font color=$color[2]>\n" .
	119	_("ERROR : Could not complete request.") .
	120	"</b><br>\n" .
	121	_("Reason Given: ") .
	122	$message . "</font><br>\n";
052e0c26	123	exit;
9c737111	124	}
	125	} else if ($response == 'BAD') {
	126	set_up_language($squirrelmail_language);
	127	echo "<br><b><font color=$color[2]>\n" .
	128	_("ERROR : Bad or malformed request.") .
	129	"</b><br>\n" .
	130	_("Server responded: ") .
	131	$message . "</font><br>\n";
	132	exit;
	133	}
	134	return $resultlist;
	135	}
	136
	137	function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
	138
	139	$res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message);
	140	return $res[0];
	141
	142	}
	143
	144	/******************************************************************************
	145	** Logs the user into the imap server. If $hide is set, no error messages
	146	** will be displayed. This function returns the imap connection handle.
	147	******************************************************************************/
	148	function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
	149
	150	global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
	151
	152	$imap_stream = fsockopen ( $imap_server_address, $imap_port,
	153	$error_number, $error_string, 15);
	154	if ( !$imap_stream ) {
	155	return FALSE;
	156	}
	157	$server_info = fgets ($imap_stream, 1024);
	158
	159	// Decrypt the password
	160	$password = OneTimePadDecrypt($password, $onetimepad);
	161
	162	/ Do some error correction /
	163	if (!$imap_stream) {
	164	if (!$hide) {
441f2d33	165	set_up_language($squirrelmail_language, true);
1b187352	166	printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
052e0c26	167	echo "$error_number : $error_string<br>\r\n";
9c737111	168	}
	169	exit;
	170	}
052e0c26	171
9c737111	172	fputs ($imap_stream, sqimap_session_id() . ' LOGIN "' . quoteIMAP($username) .
	173	'" "' . quoteIMAP($password) . "\"\r\n");
	174	$read = sqimap_read_data ($imap_stream, sqimap_session_id(), false, $response, $message);
052e0c26	175
9c737111	176	/ If the connection was not successful, lets see why /
	177	if ($response != 'OK') {
	178	if (!$hide) {
74424a43	179	if ($response != 'NO') {
9c737111	180	// "BAD" and anything else gets reported here.
	181	set_up_language($squirrelmail_language, true);
	182	if ($response == 'BAD') {
3d2504a1	183	printf (_("Bad request: %s")."<br>\r\n", $message);
9c737111	184	} else {
3d2504a1	185	printf (_("Unknown error: %s") . "<br>\n", $message);
9c737111	186	}
	187	echo '<br>' . _("Read data:") . "<br>\n";
	188	if (is_array($read)) {
	189	foreach ($read as $line) {
	190	echo htmlspecialchars($line) . "<br>\n";
	191	}
	192	}
	193	exit;
165e24a7	194	} else {
9c737111	195	// If the user does not log in with the correct
	196	// username and password it is not possible to get the
	197	// correct locale from the user's preferences.
	198	// Therefore, apply the same hack as on the login
	199	// screen.
	200
	201	// $squirrelmail_language is set by a cookie when
	202	// the user selects language and logs out
	203
	204	set_up_language($squirrelmail_language, true);
	205
	206	displayHtmlHeader( _("Unknown user or password incorrect.") );
	207	echo "<body bgcolor=\"#ffffff\">\n";
	208	error_username_password_incorrect();
	209	session_destroy();
	210	exit;
052e0c26	211	}
9c737111	212	} else {
052e0c26	213	exit;
9c737111	214	}
	215	}
	216
	217	return $imap_stream;
	218	}
f1e6f580	219
9c737111	220	/*
	221	* Simply logs out the imap session
	222	*/
	223	function sqimap_logout ($imap_stream) {
	224	fputs ($imap_stream, sqimap_session_id() . " LOGOUT\r\n");
	225	}
	226
	227	function sqimap_capability($imap_stream, $capability) {
	228	global $sqimap_capabilities;
	229
	230	if (!is_array($sqimap_capabilities)) {
	231	fputs ($imap_stream, sqimap_session_id() . " CAPABILITY\r\n");
	232	$read = sqimap_read_data($imap_stream, sqimap_session_id(), true, $a, $b);
	233
	234	$c = explode(' ', $read[0]);
	235	for ($i=2; $i < count($c); $i++) {
	236	$cap_list = explode('=', $c[$i]);
	237	if (isset($cap_list[1]))
	238	$sqimap_capabilities[$cap_list[0]] = $cap_list[1];
	239	else
	240	$sqimap_capabilities[$cap_list[0]] = TRUE;
f1e6f580	241	}
9c737111	242	}
9c737111	243	if (! isset($sqimap_capabilities[$capability])) {
f1e6f580	244	return false;
9c737111	245	} else {
f1e6f580	246	return $sqimap_capabilities[$capability];
f1e6f580	247	}
9c737111	248	}
	249
	250	/******************************************************************************
	251	** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
	252	******************************************************************************/
	253	function sqimap_get_delimiter ($imap_stream = false) {
	254
	255	global $sqimap_delimiter;
	256	global $optional_delimiter;
	257
	258	/* Use configured delimiter if set */
	259	if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') {
	260	return $optional_delimiter;
	261	}
	262
	263	/* Do some caching here */
	264	if (!$sqimap_delimiter) {
	265	if (sqimap_capability($imap_stream, 'NAMESPACE')) {
f1e6f580	266	/* According to something that I can't find, this is supposed to work on all systems
	267	OS: This won't work in Courier IMAP.
	268	OS: According to rfc2342 response from NAMESPACE command is:
	269	OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
	270	OS: We want to lookup all personal NAMESPACES...
	271	*/
	272	fputs ($imap_stream, sqimap_session_id() . " NAMESPACE\r\n");
	273	$read = sqimap_read_data($imap_stream, sqimap_session_id(), true, $a, $b);
	274	if (eregi('\\* NAMESPACE +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL)', $read[0], $data)) {
9c737111	275	if (eregi('^\\( \\((.)\\) *\\)', $data[1], $data2)) {
f1e6f580	276	$pn = $data2[1];
9c737111	277	}
f1e6f580	278	$pna = explode(')(', $pn);
9c737111	279	while (list($k, $v) = each($pna)) {
862ff2d3	280	$lst = explode('"', $v);
	281	if (isset($lst[3])) {
	282	$pn[$lst[1]] = $lst[3];
	283	} else {
74424a43	284	$pn[$lst[1]] = '';
862ff2d3	285	}
f1e6f580	286	}
	287	}
	288	$sqimap_delimiter = $pn[0];
	289	} else {
	290	fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
	291	$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
	292	$quote_position = strpos ($read[0], '"');
	293	$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
	294	}
	295	}
	296	return $sqimap_delimiter;
9c737111	297	}
052e0c26	298
052e0c26	299
9c737111	300	/*
	301	* Gets the number of messages in the current mailbox.
	302	*/
	303	function sqimap_get_num_messages ($imap_stream, $mailbox) {
	304
	305	fputs ($imap_stream, sqimap_session_id() . " EXAMINE \"$mailbox\"\r\n");
	306	$read_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $result, $message);
	307	for ($i = 0; $i < count($read_ary); $i++) {
	308	if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
	309	return $regs[1];
	310	}
	311	}
	312	return sprintf( "BUG! Couldn't get number of messages in %s!", $mailbox );
	313
	314	}
	315
	316
	317	/*
	318	* Returns a displayable email address
	319	*/
	320	function sqimap_find_email ($string) {
	321	/** Luke Ehresman <lehresma@css.tayloru.edu>
	322	** <lehresma@css.tayloru.edu>
	323	** lehresma@css.tayloru.edu
	324	**
	325	** What about
	326	** lehresma@css.tayloru.edu (Luke Ehresman)
	327	**/
	328
	329	if (ereg("<([^>]+)>", $string, $regs)) {
	330	$string = $regs[1];
	331	}
	332	return trim($string);
	333	}
	334
	335
	336	/*
6282af09	337	* Takes the From: field, and creates a displayable name.
	338	* Luke Ehresman <lkehresman@yahoo.com>
	339	* "Luke Ehresman" <lkehresman@yahoo.com>
	340	* lkehresman@yahoo.com (Luke Ehresman)
	341	* become: Luke Ehresman
	342	* <lkehresman@yahoo.com>
	343	* becomes: lkehresman@yahoo.com
	344	*/
9c737111	345	function sqimap_find_displayable_name ($string) {
6282af09	346	$string = trim($string);
6282af09	347
7e3de682	348	if ( ereg('^(.+)<.*>', $string, $regs) ) {
	349	$string = ereg_replace ('"', '', $regs[1] );
	350	}
	351	elseif ( ereg('\((.*)\)', $string, $regs) ) {
9e9c63e4	352	if( ( $regs[1] == '' ) \|\| ( $regs[1] == ' ' ) ){
	353	if ( ereg('^(.+) \(', $string, $regs) ) {
	354	$string = ereg_replace( ' \(\)$', '', $string );
	355	} else {
	356	$string = '&nbsp';
	357	}
	358	} else {
	359	$string = $regs[1];
	360	}
7e3de682	361	}
	362	else {
	363	$string = sqimap_find_email($string);
9c737111	364	}
9c737111	365
7e3de682	366	return trim($string);
	367	}
	368
9c737111	369	/*
	370	* Returns the number of unseen messages in this folder
	371	*/
	372	function sqimap_unseen_messages ($imap_stream, $mailbox) {
	373	//fputs ($imap_stream, sqimap_session_id() . " SEARCH UNSEEN NOT DELETED\r\n");
	374	fputs ($imap_stream, sqimap_session_id() . " STATUS \"$mailbox\" (UNSEEN)\r\n");
	375	$read_ary = sqimap_read_data ($imap_stream, sqimap_session_id(), true, $result, $message);
	376	ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
	377	return $regs[1];
	378	}
	379
	380
	381	/*
	382	* Saves a message to a given folder -- used for saving sent messages
	383	*/
	384	function sqimap_append ($imap_stream, $sent_folder, $length) {
	385	fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
	386	$tmp = fgets ($imap_stream, 1024);
	387	}
	388
	389	function sqimap_append_done ($imap_stream) {
	390	fputs ($imap_stream, "\r\n");
	391	$tmp = fgets ($imap_stream, 1024);
	392	}
	393
15e6162e	394	?>